Package com.ntu.fdae.group1.bto.controllers.user

Class UserController

java.lang.Object
com.ntu.fdae.group1.bto.controllers.user.UserController
public class UserController extends Object
Controller class for handling user-related operations in the BTO Management System.

This controller acts as an intermediary between the user interface and the business logic layer, providing methods for: - Retrieving user information - Formatting user data for display - Managing user-related requests

The controller delegates complex business logic to the IUserService, focusing on request handling and response formatting.

  • Constructor Details

    • UserController

      public UserController(IUserService userService)
      Constructs a UserController with the specified user service.
      Parameters:
      userService - The service that provides user-related functionality
      Throws:
      NullPointerException - if userService is null

  • Method Details

    • getUser

      public User getUser(String nric)
      Retrieves a user by their NRIC.

      This method provides a simple wrapper around the service method, with additional null checking to prevent null pointer exceptions.

      Parameters:
      nric - The NRIC of the user to find
      Returns:
      The User object, or null if not found

    • getUserName

      public String getUserName(String nric)
      Retrieves the name of a user identified by their NRIC.

      This method provides a simple wrapper around the service method, with additional null checking to prevent null pointer exceptions.

      Parameters:
      nric - The NRIC of the user to find
      Returns:
      The user's name, or "N/A" if the user or their name is not found

    • getUserNamesForList

      public Map<String,String> getUserNamesForList(Collection<String> nrics)
      Retrieves names for a collection of users identified by their NRICs.

      This method is specifically designed for UI list displays that need to show user names for multiple users efficiently.

      Parameters:
      nrics - A collection of NRICs for which to retrieve names
      Returns:
      A map of NRICs to user names